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| предотвращать и устранять загрязнение (окружающей среды) | |||
| 防治污 染: 24 phrases in 7 subjects |
| Ecology | 2 |
| Electronics | 1 |
| Environment | 3 |
| General | 12 |
| Law | 2 |
| Security systems | 1 |
| United Nations | 3 |
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